// Copyright 2025 DeepMind Technologies Limited.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.androidenv.catch.sprite

import android.graphics.Canvas
import android.graphics.Color
import com.google.testing.junit.testparameterinjector.TestParameter
import com.google.testing.junit.testparameterinjector.TestParameterInjector
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.kotlin.mock
import org.mockito.kotlin.times
import org.mockito.kotlin.verify

@RunWith(TestParameterInjector::class)
class BackgroundTest {

  @Test
  fun draw_defaultConstructorIsBlack() {
    // Arrange.
    val mockCanvas: Canvas = mock()
    val background: Background = Background()

    // Act.
    background.draw(mockCanvas)

    // Assert.
    verify(mockCanvas, times(1)).drawColor(Color.BLACK)
  }

  @Test
  fun draw_customColors(@TestParameter("0", "255", "13579", "2468", "12384173") colorInt: Int) {
    // Arrange.
    val mockCanvas: Canvas = mock()
    val background: Background = Background(color = colorInt)

    // Act.
    background.draw(mockCanvas)

    // Assert.
    verify(mockCanvas, times(1)).drawColor(colorInt)
  }
}
